//
// Created by mac on 1/28/22.
//
#include <iostream>

using namespace std;

int hammingWeight(uint32_t n) {
    int res = 0;
    for (int i = 0; i < 32; i++) {
        res += n & 1;
        n >>= 1;
    }
    return res;
}
int main(){

    cout<<~(10)<<endl;

    return 0;
}